Rickettsial, ehrlichial and Bartonella infections of the myocardium and pericardium

Sanjiv S Shah1, Joseph P McGowan

  • 1Division of Infectious Diseases, Department of Medicine, Bronx-Lebanon Hospital Center, and the Albert Einstein College of Medicine, Bronx, NY 10457, USA. sshah@bronxleb.org

Insights

Myocarditis and pericarditis are rare complications of rickettsial, ehrlichial, and Bartonella infections. This review covers the epidemiology, diagnosis, and treatment of these heart conditions caused by specific bacteria.

Area of Science:

  • Infectious Diseases
  • Cardiology
  • Pathology

Background:

  • Myocarditis and pericarditis are uncommon but serious complications of certain bacterial infections.
  • These cardiac inflammatory conditions often arise during acute, disseminated infections.

Purpose of the Study:

  • To review the epidemiology, pathology, clinical features, diagnosis, and treatment of myocarditis and pericarditis associated with rickettsial, ehrlichial, and Bartonella infections.
  • To consolidate current knowledge on these rare but significant infectious complications affecting the heart.

Main Methods:

  • Literature review of studies on myocarditis and pericarditis linked to specific bacterial pathogens.
  • Synthesis of information regarding causative agents, clinical presentation, and management strategies.

Main Results:

  • Identified causative organisms for myocarditis include Rickettsia rickettsii, R. conorii, Orientia tsutsugamushi, Coxiella burnetii, Anaplasma phagocytophila, and Bartonella henselae.
  • Pericarditis has been associated with R. conorii and Coxiella burnetii infections.
  • Myocardial inflammation typically occurs in acute disseminated infections.

Conclusions:

  • Infections by Rickettsia, Ehrlichia, and Bartonella species can lead to myocarditis and pericarditis.
  • Understanding the specific pathogens and clinical patterns is crucial for timely diagnosis and effective treatment of these cardiac manifestations.

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